#ifndef MYFUNC_H_
#define MYFUNC_H_

#include <AMReX_Geometry.H>
#include <AMReX_MultiFab.H>

using namespace amrex;

void main_main ();

void advance (MultiFab& phi_old,
              MultiFab& phi_new,
              std::array<MultiFab, AMREX_SPACEDIM>& flux,
              Real dt,
              const Geometry& geom);

#endif
